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Cylindrical roller bearing SKF RNU 203 TN9
- Manufacturer Part Number
- RNU 203 TN9
- Brand
- SKFOfficial brand
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
Other brands in this family
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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Description
SKF RNU 203 TN9 is a cylindrical roller bearing reference, within Bearings. Request a quote for RNU 203 TN9 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The SKF RNU TN9 bearing is a single row cylindrical roller bearing with a removable inner ring, designed to withstand high radial loads and considerable speeds. It is used in applications requiring high rigidity and precision, such as machine tools, pumps and gearboxes. MR Accesorios Industriales carries this official brand and advises you on choosing the right model for your equipment.
The RNU TN9 designation is interpreted as follows: the letters RNU indicate a cylindrical roller bearing with a removable inner ring and without flanges on the outer ring, which allows relative axial displacement. The suffix TN9 indicates a polyamide cage reinforced with fiberglass, suitable for moderate temperatures. A specific example is the RNU 203 TN9, where 203 corresponds to the dimension series. Knowing these codes helps you identify the correct replacement.
This type of bearing is used in Argentine industries such as metalworking, food and petrochemical. It is commonly found in gearboxes, centrifugal pumps, compressors, industrial fans and machine tool spindles. Its ability to withstand heavy radial loads and its rigidity make it ideal for transmissions where the shaft must have freedom of thermal expansion without losing alignment.
To select the right bearing, take into account the radial load, the rotation speed and the environmental conditions. Verify that the shaft and housing have the recommended tolerance and fit. Lubrication can be grease or oil; choose the lubricant according to temperature and speed. Ensure precise alignment to avoid additional stresses. Assembly must be carried out with suitable tools so as not to damage the cage or the raceways.
As for equivalences, cylindrical roller bearings with similar designations from other manufacturers can be interchanged if dimensions and tolerances match. Always verify the complete part number and the technical specifications before replacing. MR Accesorios Industriales carries SKF as an official brand and can guide you on interchangeability with other brands it also offers.
If you need this bearing or want to confirm the application in your equipment, send us the part number via WhatsApp. At MR Accesorios Industriales we reply with the technical information and the corresponding quote. We can also advise you on alternative bearings if this model does not fit your requirement.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- What does the TN9 suffix mean on an RNU bearing?
- The TN9 suffix indicates that the bearing has a polyamide cage reinforced with fiberglass. This cage is lightweight, corrosion resistant and suitable for applications with moderate temperatures. It does not change the outer dimensions or the load capacity, but it influences behavior at high speeds.
- Where is an RNU TN9 bearing used?
- It is used in equipment that must withstand high radial loads and allow axial displacement due to thermal expansion, such as gearboxes, pumps, compressors and machine tools. In Argentina it is common in the metalworking and food industries. Always verify the load and speed conditions before selecting it.
- How do I request a quote for an RNU TN9 bearing?
- Write to us via WhatsApp with the complete bearing part number and the quantity you need. At MR Accesorios Industriales we reply with the quote and the available technical information. If you have doubts about the application, we can advise you on choosing the right model.